It seems likely that the nominees in 2016 will be Jeb Bush and Hillary Clinton. After all, the ruling class still controls America. But the revolt against the ruling class won't end with the 2016 election, regardless. Which means the ruling class will have to change the way it rules America. Or it won't rule too much longer.
While it may be accurate to say that a majority of the American public has "moved on" with regard to marriage equality, that's not true among the base of the GOP. And, more critically, the majority of Americans in general hasn't "moved on" when it comes to "religious liberty" vs. "gay rights," not by a long shot.